Selenium
Essential mineral vital for normal function of the immune system and thyroid gland.

Manganese
A mineral that is good for bone and cartilage health and acts as a co-factor in several metabolic and enzymatic reactions.

Copper
The third most abundant trace mineral in the body, but it is often deficient in a person's diet because food sources high in this mineral are not always eaten frequently (such as oysters and liver). Copper works together with iron to make red blood cells and it is the major component of the outer coating of nerve fibres and collagen. Copper is used by the body to manufacture numerous enzymes, many of which work as antioxidants.